نتایج جستجو برای: gate scheduling problem

تعداد نتایج: 963286  

ژورنال: علوم آب و خاک 2014
حسینی, یاسین , حیدرپور, منوچهر , رضویان, سید حسین ,

The combined system of gate and weir is used for flow measurement in open channels. But in case the passing water has floating material and sediment it damages their performance and hence error of measurement will increase. In order to solve this problem, weir and gate can be combined and a concentrated hydraulic system known as weir-gate can be developed, thus allowing sediments transportation...

Khoshalhan, Farid , Taghadosi , Sasan ,

  In this paper, a review of Multiple objective Flowshop Scheduling Problems is introduced. Different version of the problem are classified according to different multi objective optimization approaches, flowshop assumptions, solving methods, and also objective functions terms. This paper can be considered as a complete and valuable reference for researchers in the field of scheduling, especial...

This study addresses a stochastic structure for generation companies (GenCoʼs) that participate in hydro-thermal self-scheduling with a wind power plant on short-term scheduling for simultaneous reserve energy and energy market. In stochastic scheduling of HTSS with a wind power plant, in addition to various types of uncertainties such as energy price, spinning /non-spinning reserve prices, unc...

Muhammad Huzaifa Raza Muhammad Shafiq Muhammad Umair Akhtar

Flexible manufacturing system (FMS) readily addresses the dynamic needs of the customers in terms of variety and quality. At present, there is a need to produce a wide range of quality products in limited time span. On-time delivery of customers’ orders is critical in make-to-order (MTO) manufacturing systems. The completion time of the orders depends on several factors including arrival rate, ...

حاجی‌پور, وحید, معلمیان, علی, مهدی‌زاده, اسماعیل,

Resource-constrained project scheduling problem (RCPSP) aims to schedule at minimal duration a set of activities subject to precedence constraints and the limited availability of resources. Considering net present value (NPV) is one of the modern approaches in scheduling projects in which the project is scheduled in such a way that NPV be maximized. This approach with deterministic parameters s...

  One of the main elements of each supply chain is production. Production planning in multi-products process industries in which products are subjected to the complicated operational constraints is a very hard work because production of computed optimal volume should be compatible with operation scheduling constraints of production system. Thus, integration idea has been proposed for required d...

Although lot streaming scheduling is an active research field, lot streaming flexible flow lines problems have received far less attention than classical flow shops. This paper deals with scheduling jobs in lot streaming flexible flow line problems. The paper mathematically formulates the problem by a mixed integer linear programming model. This model solves small instances to optimality. Moreo...

In static scheduling problem, where there is no change in situation, the challenge is that the large problems can be solved in a short time. In this paper, the Static Scheduling problem of Automated Guided Vehicles in container terminal is solved by the Network Simplex Algorithm (NSA). The algorithm is based on graph model and their performances are at least 100 times faster than traditional si...

This paper considers a parallel machine scheduling problem with outsourcing allowed. The objective of this problem is the combination of makespan and Outsourcing costs. In order to solve the problem, A mathematical model is proposed. Because of high computational time of mathematical model a Tabu search and PSO methods are proposed to solve the problem.

H. Fazlollahtabar H. Gholizadeh R. Gholizadeh

Uncertainty plays a significant role in modeling and optimization of real world systems. Among uncertain approaches, fuzziness describes impreciseness while for ambiguity another definition is required. Vagueness is a probabilistic model of uncertainty being helpful to include ambiguity into modeling different processes especially in industrial systems. In this paper, a vague set based on dista...

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